gnu: perl6-terminal-ansicolor: Perl -> Raku.

* gnu/packages/perl6.scm (perl6-terminal-ansicolor): Extract commit
outside of source.
[description]: Replace mention of Perl with Raku.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/perl6.scm

@@ -707,26 +707,26 @@ minimal wrapper around an instance of this module.")
     (license license:artistic2.0)))
 
 (define-public perl6-terminal-ansicolor
-  (package
-    (name "perl6-terminal-ansicolor")
-    (version "0.5")
-    (source
-      (origin
-        (method git-fetch)
-        (uri (git-reference
+  ;; The commit where 0.5 was “tagged”.
+  (let ((commit "edded4a7116ce11cbc9fb5a83669c7ba119d0212"))
+    (package
+      (name "perl6-terminal-ansicolor")
+      (version "0.5")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
                (url "https://github.com/tadzik/Terminal-ANSIColor")
-               ;; The commit where 0.5 was "tagged"
-               (commit "edded4a7116ce11cbc9fb5a83669c7ba119d0212")))
-        (file-name (git-file-name name version))
-        (sha256
-         (base32
-          "1apm999azkyg5s35gid12wq019aqnvzrkz7qjmipd74mdxgr00x7"))))
-    (build-system rakudo-build-system)
-    (arguments '(#:with-zef? #f))
-    (home-page "https://github.com/tadzik/Terminal-ANSIColor")
-    (synopsis "Colorize terminal output")
-    (description "This is a @code{Terminal::ANSIColor} module for Perl 6.")
-    (license license:expat)))
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1apm999azkyg5s35gid12wq019aqnvzrkz7qjmipd74mdxgr00x7"))))
+      (build-system rakudo-build-system)
+      (arguments '(#:with-zef? #f))
+      (home-page "https://github.com/tadzik/Terminal-ANSIColor")
+      (synopsis "Colorize terminal output")
+      (description "This is a @code{Terminal::ANSIColor} module for Raku.")
+      (license license:expat))))
 
 (define-public perl6-test-meta
   (package